420950840 Water Pump Housing Gasket for Sea-Doo RXP X 325 1630 2024-2026

Water Pump Housing Gasket for Sea-Doo

This water pump housing gasket for Sea-Doo seals the joint between the water pump housing and the engine block on the 1630 ACE powerplant, cited as OEM cross-reference 420950840.

Overview

This water pump housing gasket for Sea-Doo is a direct-seal replacement component that prevents coolant and water leaks at the pump housing mating surface. It is built to match the original gasket profile so the housing seats evenly and holds pressure under load. Riders and mechanics performing routine cooling system service on the 1630 ACE engine will find this gasket a practical choice.

Built For Performance

• Precision-cut profile matched to the water pump housing flange
• Seals against coolant weep and pressure loss under heat cycling
• Material selected for resistance to hot coolant and marine conditions
• Thin, compressible design ensures even clamping torque
• Replacement for OEM gasket 420950840

Fits These Machines

• for Sea-Doo RXP X 325 1630, 2024-2026

On-The-Job Use

• Routine cooling system service on 1630 ACE engines
• Water pump housing reseal after removal or inspection
• Leak repair at the pump housing mating surface
• Maintenance on personal watercraft used in salt or fresh water

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, it is a replacement gasket for Sea-Doo that cross-references OEM number 420950840. It is designed to fit the listed model and engine.

Q: Can this gasket be reused? A: Gaskets of this type are typically single-use and should be replaced whenever the water pump housing is removed. Torque the housing fasteners to spec and check for leaks after reassembly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.